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Two-dimensional echocardiography in myocardial amyloidosis
E Picano1, B Pinamonti, E M Ferdeghini
1C.N.R. Clinical Physiology Institute of Pisa, Trieste, Italy.
Echocardiography (Mount Kisco, N.Y.)
|February 8, 1991
Summary
Two-dimensional echocardiography effectively detects early cardiac amyloidosis and monitors its progression. Key indicators include increased ventricular wall thickness and low electrocardiogram voltage, aiding diagnosis and severity assessment.
Area of Science:
- Cardiology
- Medical Imaging
Background:
- Cardiac amyloidosis is a progressive infiltrative disease.
- Early diagnosis is crucial for patient management and prognosis.
Purpose of the Study:
- To highlight the role of two-dimensional echocardiography in diagnosing and monitoring cardiac amyloidosis.
- To describe characteristic echocardiographic findings and their diagnostic significance.
Main Methods:
- Utilizing two-dimensional echocardiography to assess cardiac structure and function.
- Correlating echocardiographic findings with clinical and electrocardiographic data.
- Analyzing myocardial texture and wall thickness for signs of infiltration.
Main Results:
- Early asymptomatic cardiac amyloidosis shows mild-to-moderate increases in ventricular wall thickness.
- A combination of low electrocardiogram voltage and increased left ventricular mass is a valuable diagnostic marker.
- Ancillary findings include left atrial dilatation, pericardial effusion, and thickened cardiac structures.
- Peculiar myocardial texture with refractile areas suggests amyloidosis, though not specific.
Conclusions:
- Two-dimensional echocardiography is the primary imaging modality for identifying and tracking cardiac amyloid infiltration.
- Echocardiographic findings, when combined with clinical and ECG data, significantly improve diagnostic accuracy.
- Recognizing echocardiographic mimics is essential for accurate diagnosis and appropriate patient management.